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  • Statoil to boost recovery with subsea production system

    A. Pruner and P. Fischer

    Located in Block 34/7 of the Tampen area in the Norwegian North Sea, Tordis field will soon achieve the distinction of having the industry's first full-scale commercial subsea processing system in operation. This Statoil-operated field lies in 650-ft water depths, and the new subsea system will extend the field's life about five years to 2020. By fulfilling Statoil's goal of improving oil recovery to 55% from present 49% levels, Statoil and partners are expected to gain 1.2 billion bbl of oil across all its subsea fields. Tordis will add an incremental 35 million bbl of oil. The new system is scheduled to be completed during 2007. BACKGROUND Tordis field comprises Tordis East, Tordis Southeast and Borg reservoirs. Discovered in 1984, production began in 1994 with seven subsea-completed satellite wells connected to a manifold. Six of the wells are protected by a conventional steel framework, and one water injection well is in a silo sunk into the seabed.

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